JP3099977B2 - Water-in-oil type emulsified cosmetic and method for producing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-in-oil type emulsified cosmetic and a method for producing the same, and more particularly to an improvement in the stability and feeling of use of a water-in-oil type emulsified cosmetic containing powder.

[0002]

2. Description of the Related Art Conventionally, a water-in-oil type emulsified cosmetic is effective for covering the skin surface with an oil film to prevent water evaporation, and is effective for rough skin. It is widely used for basic cosmetics and finish cosmetics. As a conventional example of such a water-in-oil type emulsified cosmetic, a cosmetic based on silicone oil is known. Silicon oil is excellent in lubricity and water repellency, and in particular, volatile silicon is widely used in recent years because it has good elongation at the time of application and does not easily lose its makeup. However, it has been extremely difficult to obtain a water-in-oil type emulsified cosmetic having good stability using silicone oil as a base material. Accordingly, there has been a strong demand for improving the stability of a water-in-oil emulsion cosmetic.

[0003] Conventionally, as a method for preparing a water-in-oil type emulsified cosmetic containing a powder, such as a foundation, a lipophilic surfactant and a powder are dispersed in an oil phase, and the oil is dispersed at 70 to 80 ° C.
And then adding an aqueous phase heated to a similar temperature and stirring the mixture with a homomixer or the like. This method is a very simple method, but it is difficult to obtain a uniform and fine emulsion. For example, coalescence or breakage of the emulsion occurs, and the aqueous phase is separated. It is not an appropriate method for obtaining a water-in-oil type emulsified cosmetic having good stability such as aggregation and precipitation.

Accordingly, in order to improve the storage stability of a water-in-oil emulsion, dextrin fatty acid esters, sucrose fatty acid esters, and lipophilic thickeners (gelling agents) are used.
There are water-in-oil type emulsified cosmetics to which metal soap or the like is added.

As another example of the production of a water-in-oil type emulsified cosmetic, there is a method in which an oil phase is added to a water phase and phase inversion is carried out.
Furthermore, in order to obtain a uniform and fine emulsion using a gel or liquid crystal, a polyhydric alcohol is added to the fatty acid glyceride while stirring in the first step to form a gel (D), and the aqueous phase (W) is added thereto. To prepare a W / D (gel emulsion) and adding an oil phase to the gel emulsion in the second step.

[0006]

A conventional water-in-oil type emulsified cosmetic using a lipophilic thickener has a feeling of use such as poor dispersibility of powder, poor spread, and stickiness. There was a problem that it was greatly reduced.

[0007] Further, in the conventional water-in-oil type emulsified cosmetic in which the oil phase is added to the water phase, the phase is not inverted when the amount of the oil phase is small, and the particle size of the emulsion depends on the cooling temperature. In order to obtain a fine emulsion, quenching is required to cause agglomeration of the powder due to solidification of the solid oily component.
Therefore, it was difficult to obtain a homogeneous water-in-oil emulsion cosmetic containing powder.

Further, the conventional method for producing a water-in-oil type emulsified cosmetic using a gel or a liquid crystal is industrially required because the liquid crystal phase and the gel phase formed in the first step have a very high viscosity. When it is used, it is difficult to handle and practically disadvantageous. In addition, there is a problem that the dispersibility of the powder is poor, and the feeling of use of the cosmetic is deteriorated, such as the stickiness of the cosmetic.

In order to solve the above-mentioned conventional problems, the present invention provides a water-in-oil type emulsified cosmetic which is excellent in stability without using a gelling agent and the like, and has excellent feeling in use. It is an object of the present invention to provide a manufacturing method thereof.

[0010]

SUMMARY OF THE INVENTION The present invention relates to a water-in-oil containing no lipophilic thickener, wherein an oil component and an aqueous phase which are not dissolved in the oil substrate are respectively dispersed and emulsified in the oil substrate. By providing a type emulsified cosmetic and its production method,
The above object has been achieved by solving the above object. In the water-in-oil type emulsified cosmetic according to the present invention, lipophilic powder can be further dispersed and mixed. This mixing of the lipophilic powder is desirably performed after the formation of the emulsion. And, as the oily base material, silicone oil is desirable. The type of the water-in-oil type emulsified cosmetic according to the present invention is preferably a liquid foundation.

[0011]

The present inventors have conducted intensive studies on the storage stability of the water-in-oil type emulsified cosmetic, and found that the aqueous phase (W) is different from the oily base in the oily base (O ₁ ). It has been found that by dispersing the component (O ₂ ), the storage stability of the water-in-oil type emulsified cosmetic is remarkably improved. The effect of the present invention to improve the storage stability of the water-in-oil emulsion cosmetic will be described below.

[0012] Between the dispersed and emulsified aqueous phases (W),
The dispersed and emulsified oily component (O ₂ ) is present, and the dispersed aqueous phase surfactant and the dispersed oily component surfactant are adsorbed to each other, and around the aqueous phase (W). It has a structure in which the oil component (O ₂ ) is adsorbed. The adsorbed layer of the surfactant in the aqueous phase and the surfactant in the oil component gels to form a gel network. At this time, the movement of the aqueous emulsion through the continuous phase (oil-based substrate) can be suppressed, and the water-based emulsion is protected by the oily component adsorbed around it, so that the water due to the coalescence or destruction of the emulsion is formed. Separation of the phase (W) can be suppressed.

Further, even if the lipophilic powder (P) is contained,
Since the oily component is adsorbed around the powder and the powder can be uniformly and stably dispersed, the powder is adsorbed on the aqueous phase (W), and the powder is agglomerated and sedimentation of the powder is caused. Can be suppressed.

According to the present invention, the aqueous phase and the powder can be uniformly and stably dispersed in the oily base material. The usability can be improved. If the separation of the aqueous phase and the aggregation and precipitation of the powder occur, the resistance is not uniform when applying the cosmetic, and the cosmetic finish also has “makeup unevenness”. Further, since no gelling agent is used in stabilizing the cosmetic, the feeling of use is improved by eliminating stickiness and the like, and the handling of the method of the present invention is facilitated when the method is used industrially.

Examples of the oily base material according to the present invention include solid hydrocarbons such as paraffin, liquid hydrocarbons such as liquid paraffin and squalane, paste hydrocarbons such as petrolatum, higher fatty acids such as stearic acid and oleic acid, and lauryl alcohol. , Higher alcohols such as stearyl alcohol, vegetable and animal oils such as sesame oil, synthetic ester oils such as myristic ester, waxes such as lanolin, unsaturated hydrocarbons such as polybutene, silicone oils, and fluorine-based oils such as perfluoropolyether. Can be widely used. These oily base materials can be used alone or in combination of two or more. Which type of oily base material is used depends on whether the type of cosmetic is a solid cosmetic, a liquid cosmetic, a semi-solid cosmetic, or the like.

The effect of improving the stability of the water-in-oil type emulsified cosmetic according to the present invention is as follows.
It becomes remarkable when it is contained as described above. Silicon oil is
It has excellent lubricity, water repellency, and excellent usability, but has the property that it is difficult to form a stable water-in-oil emulsion. Examples of the silicone oil include dimethylpolysiloxane, dimethylcyclopolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane and the like, and volatile silicone oil such as dimethylpolysiloxane and dimethylcyclopolysiloxane is particularly desirable. The volatile silicone oil can further reduce the oily feeling and the sticky feeling and further improve the feeling of use.

[0017] As oil component is dispersed in the oily base is one which does not dissolve in an oily base material, Ru der those can be dispersed in the oily base. In an oil base material, dissolved in the oily base material
By dispersing other oily components that do not, additional properties due to the presence of the oily components can be imparted to the cosmetic. For example, oil-soluble vitamins (bioactive), fluorine oils such as perfluoro compounds, jojoba oil (improved feeling of use), polybutene (polish), waxes (viscosity adjusted within the range of 500 to tens of thousands cp), etc. In addition, desired properties can be widely added to cosmetics. As such an oily component, not only the exemplified ones can be used alone, but also two or more kinds can be used simultaneously.

[0018] Oily Ingredient dispersed in the oily substrates are those that do not dissolve in an oily substrate. This is because the oil-in-oil type emulsion (O ₂ / O _2
1 ) is easy to form. For example, when dimethylpolysiloxane is used as an oily base material, it does not dissolve as an oily component, solids such as paraffin, squalane, petrolatum, oleic acid, stearyl alcohol, beeswax, ester gum, sesame oil, and myristic acid. One or more of cetyl and polybutene can be used. When a hydrocarbon is used as the oily base material, dimethylpolysiloxane (0.
65 to 1,000,000 cp) can be used.

In a water-in-oil type emulsified cosmetic in which silicone oil is used as an oily base material , the stability of the W / O emulsion is improved by blending squalane or ester oil as an oily component. The squeaky feeling of the oil is improved, and a smooth cosmetic can be obtained.
In addition, by blending silicone oil as an oily component with a cosmetic using paraffin as an oily base material, it is possible to provide a cosmetic having higher water repellency and good adhesion to the skin.

In order to disperse the oil component (O ₂ ) in the oil base (O ₁ ), it is preferable to use a surfactant capable of emulsifying the oil component. As such a surfactant,
It has a portion having an affinity for the oily base material and a portion having an affinity for the oily component, and preferably has an HLB of 3 or less, and is appropriately selected depending on the type of the oily base material and the oily component. You. In particular, saturated esters, ester oils, vegetable oils, stearyl-modified silicon, cetyl-modified silicon, myristyl-modified saturated esters that do not leave hydroxyl groups between polyhydric alcohols such as glycol and glycerin and higher fatty acids such as oleic acid, stearic acid, caproic acid and octanoic acid Fatty acid-modified silicon such as silicon (the structural formula is

Embedded image Fluorine-based compounds such as perfluorosurfactants are preferred. It has been difficult to uniformly mix other oily components with silicone oil, but by using such a surfactant, the oily components can be uniformly mixed. When the oily component is solid, it is difficult to uniformly disperse the oily component in the oily base material, and the oily component is agglomerated with the lapse of time. Can be uniformly dispersed without aggregation and sedimentation. Thereby, even when there is a difference in specific gravity between the oil base and the oil base, the oil base can be stably dispersed and emulsified in the oil base.

In the present invention, the aqueous phase is a water-soluble substance used in various cosmetics, for example, a lower alcohol such as water, ethanol, glycerin, sorbitol, propylene glycol, 1,3-butylene glycol or the like. One or more polyhydric alcohols may be mentioned. As the surfactant for dispersing such an aqueous phase in an oily base material, one having an HLB of more than 3 and not more than 8 is preferable. For example, sorbitan fatty acid ester, fatty acid glyceride, polyoxyalkyl ether, polyoxyethylene Nonionic surfactants such as alkyl phenyl ethers, cationic surfactants such as quaternary ammonium salts,
A known surfactant such as a silicon-based surfactant can be used. These surfactants can be used alone or in combination of two or more.

In the present invention, the particle diameter of the micelle of the aqueous phase and the oily component is desirably 0.3 to 20 μm.
Forming micelles of less than 0.3 μm requires a high degree of mechanical agitation and is not common. If it exceeds 20 μm, coalescence of emulsions may occur.

The water-in-oil emulsified cosmetic of the present invention may be mixed with a powder such as a pigment. For example, extender pigments such as talc, mica, sericite, kaolin, silica, polystyrene powder, acrylic powder, nylon powder, etc., and inorganic substances such as titanium oxide, zinc white, iron oxide, cobalt oxide, chromium oxide, ultramarine, titanium mica, navy blue, etc. One or more kinds of coloring pigments, organic tar coloring pigments, inorganic or organic coloring dyes and the like can be used.

Among these powders, those which are not lipophilic are:
Preliminary lipophilic treatment. Examples of the lipophilic treatment include a method in which an oily base material is fixed on the surface of the powder by baking, or a method in which a surfactant is adsorbed. For example, silicon-treated powder, metal soap-treated powder, higher fatty acid-treated powder, paraffin-treated powder, and chitosan-treated powder can be used. And
In order to stably disperse the powder in the oily base material, the powder is desirably finer. The particle size of the powder is desirably 40 μm or less, and particularly desirably smaller than the micelle of the aqueous phase or the oily component. The powder can be refined by using a known method, such as a hammer mill, a bead mill, a pole mill, a jet mill,
It is preferred to use a pin mill.

Next, the mixing ratio of various components in the cosmetic of the present invention will be described. The weight ratio of (oil-based material (O ₁ ) / water phase (W)) is desirably in the range of 1 to 19 when the cosmetic is solid or semi-solid , and particularly 3 /
It is preferably from 2 to 9. If the ratio is less than 1, the aqueous phase component increases, making it difficult to obtain a solid or semi-solid cosmetic and deteriorating the stability of the emulsion. When this ratio exceeds 19,
This is because the effect of adding the aqueous phase component cannot be sufficiently exhibited.

When the cosmetic is in a liquid form, the weight ratio of (oil-based material (O ₁ ) / aqueous phase (W)) is preferably in the range of 3/7 to 19. When the weight ratio is less than 3/7, the amount of the oily base material is reduced, and phase inversion may occur. On the other hand, if the ratio exceeds 19, the effect of adding the aqueous phase component cannot be sufficiently exerted.

The weight ratio (O ₂ / O ₁ ) of the oil component (O ₂ ) is
It is preferably in the range of 1/19 to 3/7, and in particular,
1/9 to 3/7 is preferred. The weight ratio (O ₂ / W) of the oil component (O ₂ ) to the aqueous phase (W) is desirably 1/4 to 4. If the weight ratio is less than 1/4, the water-in-oil emulsion cannot be sufficiently stabilized due to the small amount of the oily component, and if the weight ratio exceeds 4, the oily component (O ₂ ) emulsion This is because the stability of the device is impaired.

The weight ratio [(O ₂ + W) / (O ₁ )] of the oil component (O ₂ ) and the aqueous phase (W) to the oil substrate (O ₁ ) is preferably 7/3 or less. . When the total amount of the oily component and the aqueous phase component exceeds 7/3, the amount of the oily base material decreases, and there is a problem of phase inversion. In particular, it is preferably 1 or less.

In order to disperse the oily component in the oily base material, the amount of the surfactant forming the O ₂ / O ₁ type emulsion is 5% by weight or more based on the oily component (O ₂ ). It is desirable that If it is less than 5% by weight, the oil component cannot be stably dispersed. The amount of the surfactant for dispersing the aqueous phase (W) in the oily base material (O ₁ ) is 5 to 30% by weight, particularly 5 to 20% by weight based on the aqueous phase. Is preferred. If it is less than 5% by weight, the aqueous phase component cannot be dispersed stably, and if it exceeds 30% by weight, the feeling of use is impaired.

The amount of the powder contained in the cosmetic of the present invention is appropriately determined depending on the type of the cosmetic.
The powder can be blended in the cosmetic in the range of 0 to 95% by weight, and a relatively wide range of blending amount is possible. An emulsion base can be obtained by blending the powder in the cosmetic, for example, 5 to 40% by weight, particularly 10 to 30% by weight. When the amount of the powder is large, the powder or the cake is formed, and when the amount of the powder is small, the liquid is formed. When blending the powder, it is preferable to stir well, and it is particularly necessary to select a mixer according to the blending amount of the powder. When the blending amount of the powder is large, a hesh shell mixer is used, and as the blending amount of the powder decreases, a homomixer and a dispersion mixer are used.

The water-in-oil type emulsified cosmetic of the present invention contains, in addition to the powder, other components commonly used in cosmetics, as an aqueous component or an oily component within a range that does not impair the effects of the present invention. Can be added. Such components include humectants, intercellular lipids (such as ceramides), ultraviolet absorbers, alcohols, chelating agents, pH adjusters, preservatives,
Thickeners, pigments, fragrances, inorganic salts such as alkali metal, alkaline earth metal and aluminum sulfates, nitrates and hydrochlorides, pharmaceuticals such as astringents, antioxidants and vitamins, lactic acid, sodium lactate, chondroitin 4 Polysaccharide sulfates such as sodium sulfate, monosaccharide sulfates and the like can be mentioned.

The present invention can be applied to various types of cosmetics such as liquid, solid and semi-solid. Specifically, face creams such as hand creams and night creams, hair creams, body creams, suntans Stop cream, foundation (liquid, cream, powder), mascara, eyeliner, cheek color, eye shadow, lipstick (stick, liquid). In particular, the effects of the present invention, such as the emulsion stabilization and the improvement in use feeling, become more remarkable in the emulsion base.

Next, a method for producing the water-in-oil type emulsified cosmetic according to the present invention will be described. First, in the first step, an oil component is dispersed and mixed in an oil substrate with a lipophilic surfactant to form an oil-in-oil emulsion in which the oil component is present in the oil substrate. Then, in a second step, the aqueous phase is dispersed in an oily substrate using a hydrophilic surfactant, preferably 20 minutes.
It is dispersed and emulsified at ~ 90 ° C, particularly preferably at 30-70 ° C to form a fine emulsion, and then cooled to room temperature. As a result, (W + O ₂ ) /
An O ₁ type emulsified cosmetic can be obtained.

When the powder is mixed with the cosmetic, if the powder is not lipophilic, the powder is subjected to lipophilic treatment, and then the powder is mixed using a homomixer, a dispersion mixer or the like. It can be mixed with cosmetics. Conventionally, the dispersion stability of the powder in the W / O emulsion was poor, so the powder was mixed in the oil base before the emulsion was formed. However, in the present invention, the powder was dispersed in the oil base. Since there is an oily component, and the dispersion stability of the powder can be improved by the oily component, it is desirable to mix the powder after forming the (W + O ₂ ) / O ₁ emulsion. However, this does not prevent mixing of the powder before forming the emulsion.
In the method of the present invention, when the cosmetic is semi-solid or solid, mixing of the powder is performed before cooling the cosmetic.

[0035]

Next, an embodiment of the present invention will be described. still,
In the following description, the mixing ratio of each formulation is shown by weight%.

(Example 1) Foundation (Liquid) Oily base material Dimethylpolysiloxane (10 cs) 32.9 Oily component Liquid paraffin 10.0 Polybutene 2.0 Solid paraffin 2.0 Water phase component Purified water 25.0 1, 3 Butylene glycol 5.0 Surfactant Neopentyl glycol dioctanoate (HLB 1.3) 1.0 Polyether-modified silicon (HLB 4.5) 2.0 Diglyceryl diisostearate (HLB 6.0) 2.0 Additional components Paraben 0 .1 Powder Lipophilic treated titanium oxide 8.0 Lipophilic treated talc 5.0 Lipophilic treated sericite 3.0 Lipophilic treated iron oxide 2.0

(Production method of Example 1) Neopentyl glycol dioctanoate, polyether-modified silicon, and diglyceryl diisostearate are added to dimethylpolysiloxane, and these are heated to 70 ° C. Then Squalane,
By adding polybutene and solid paraffin and stirring with an emulsifier, an emulsion in which an oil component was emulsified in an oil base material was prepared. Then, 1,3 butylene glycol,
Paraben and purified water are heated to 50 ° C., added to the above emulsion, stirred with an emulsifier, and cooled to room temperature. Next, a lipophilic powder was added and mixed by stirring to obtain a foundation (liquid). The powder used was a silicon-treated powder (Pigmolite (trade name) manufactured by Daito Kasei Co., Ltd.) The following Examples and Comparative Examples are manufactured according to the present manufacturing method. In addition, in producing a solid cosmetic, the powder was added before cooling the cosmetic.

Comparative Example 1 Foundation (Liquid) The procedure was the same as in Example 1 except that the oily component and the surfactant of the oily component were not added.

(Example 2) Foundation (cream) Oil-based base material Liquid paraffin 21.9 Oil-based component Dimethylpolysiloxane (10cs) 5.0 Dimethylpolysiloxane (1000cs) 5.0 Aqueous phase Purified water 20.0 1, 3 Butylene glycol 5.0 Surfactant Stearyl-modified silicon (HLB 0) 5.0 Diglyceryl diisostearate (HLB 6.0) 3.0 Additives Paraben 0.1 Powder Lipophilic treatment Titanium oxide 10.0 Lipophilic treatment Talc 10.0 Lipophilic treated sericite 10.0 Lipophilic treated iron oxide 5.0

Comparative Example 2 Foundation (Cream) The procedure of Example 2 was repeated except that the oily component and the surfactant of the oily component were not added.

Example 3 Emulsion Oily base material Dimethylpolysiloxane (20 cs) 70.4 Oily component Vaseline 2.0 Liquid paraffin 5.0 Aqueous phase Purified water 20.0 Surfactant Cholesterol (HLB 1.0) 5 Polyether-modified silicon (HLB4.5) 2.0 Additional component 0.1 Paraben

Comparative Example 3 Emulsion The procedure of Example 3 was repeated except that the oily component and the surfactant of the oily component were not added.

Example 4 Lipstick Oily base Liquid paraffin 38.6 Solid paraffin 20.0 Lanolin 5.0 Oily component Dimethylpolysiloxane (10000 cs) 8.0 Surfactant Neopentyl glycol dioctanoate (HLB 1.3) 1.0 Diglyceryl dioleate (HLB 7.0) 4.0 Aqueous phase Purified water 15.0 1,3 butylene glycol 2.0 Additive Paraben 0.1 Red No. 202 0.3 Powder Titanium oxide 6.0

Comparative Example 4 Lipstick The procedure of Example 4 was repeated except that the oily component and the surfactant of the oily component were not added.

(Example 5) Cream Oily base material Decamethylcyclopentasiloxane 35.8 Oily component Liquid paraffin 15.0 Beeswax 2.0 Solid paraffin 2.0 Heavy isoparaffin 3.0 Surfactant Isononane isononanoate ( HLB 0) 1.0 Sorbitan sesquioleate (HLB 3.7) 3.0 Aqueous phase Purified water 30.0 Propylene glycol 8.0 Additive Paraben 0.2

Comparative Example 5 Cream The procedure was the same as in Example 5 except that the oily component and the surfactant of the oily component were not added.

(Example 6) With respect to the cosmetics of the respective formulations of Examples 1 to 5 and Comparative Examples 1 to 5, the stability over time of the cosmetics was evaluated by the following method. Table 1 shows the evaluation results. It was left at 0 ° C., room temperature, and 40 ° C. (using a thermostat) for one month, and the stability immediately after the trial production was evaluated.

"Separation of aqueous phase" or "aggregation of powder,
Evaluation criteria were whether "floating, sedimentation" or "color unevenness, fading" on the cosmetic (solid cosmetic) surface based on these was observed. Then, those in which these are not observed at all are indicated by “○”, those in which these are slightly observed are indicated by “△”,
Those in which these were clearly observed were judged as "x". These results

[Table 1] Shown in

The cosmetics of each of the formulations of Examples 1 to 5 and Comparative Examples 1 to 5 were evaluated by 20 female panelists as to whether or not the feeling of use of the cosmetics was good. If aqueous phase separation, powder agglomeration, floating, and precipitation occur, the resistance at the time of applying the cosmetic becomes uneven, and if powder agglomeration and precipitation occurs, makeup unevenness occurs. Therefore, the evaluation of usability was based on whether the "resistance" when applying the cosmetics was uniform and "unevenness of makeup".
Was used as an evaluation standard.

A sample having a uniform resistance was evaluated as “○”, a sample having a slight difference in resistance was evaluated as “Δ”, and a sample with a clear difference in resistance was evaluated as “X”. In addition, a sample having no makeup unevenness was judged as “○”, a sample with slight sense of makeup unevenness was judged as “も の”, and a sample with clearly sensed makeup unevenness was judged as “x”. These results

The results are shown in Table 1.

[0051]

As described above, according to the present invention, since an oil component and an aqueous phase different from the oil substrate are dispersed in the oil substrate, excellent stability is achieved. It is also possible to provide a water-in-oil type emulsified cosmetic which is excellent in use feeling. And according to the manufacturing method of the present invention, industrial handling is also very good.

Claims (9)

(57) [Claims] Claims 1. An oil-based base material which is not dissolved in the oil-based base material.
The oily component and the aqueous phase are each dispersed and emulsified, and
A water-in-oil type emulsified cosmetic comprising no lipophilic thickener . 2. The water-in-oil type emulsified cosmetic according to claim 1, further comprising a lipophilic powder dispersed therein. 3. The water-in-oil type emulsified cosmetic according to claim 2, wherein the cosmetic is a liquid foundation. 4. The water-in-oil type emulsified cosmetic according to claim 1, wherein the oily base material is a silicone oil. 5. A water-in-oil type emulsified cosmetic according to claim 1.
Is a method of manufacturing the oil-based base material .
A method for producing a water-in-oil type emulsified cosmetic, comprising: a step of dispersing and emulsifying an insoluble oil component without using a lipophilic thickener; and a step of dispersing and emulsifying an aqueous phase. 6. The method for producing a water-in-oil type emulsified cosmetic according to claim 5, further comprising a step of dispersing and mixing the lipophilic powder. 7. The method for producing a water-in-oil type emulsified cosmetic according to claim 6, wherein the mixing of the powder is performed after the formation of the emulsion. 8. The method for producing a water-in-oil emulsion cosmetic according to claim 6, wherein the cosmetic is a liquid foundation. 9. The method for producing an emulsion-in-oil cosmetic according to claim 5, wherein the oily base material is silicone oil.